        .l-content {
            width: 100%;
            height: 300px;
        }
        /* 广告图  */
        
        .l-banner {
            width: 100%;
            height: 200px;
        }
        
        .l-banner-img {
            width: 1920px;
            height: 200px;
            margin: 0 auto;
            background: url(../../images/shop.img/l-banner.png) no-repeat 0px 0px;
        }
        /* 主体 */
        
        .l-main {
            width: 100%;
            height: 1200px;
        }
        
        .l-width {
            width: 1200px;
            height: 100px;
            margin: 0 auto;
            padding-top: 40px;
            /* background-color: pink; */
        }
        /* 品牌专区头部文字 */
        
        .l-title {
            width: 300px;
            margin: 0 auto;
            border-top: 1px solid #d2d2d2;
            text-align: center;
            margin-top: 20px;
            margin-bottom: 5px;
        }
        
        .l-title span {
            display: block;
            width: 100px;
            margin: -12px auto 0;
            font-size: 16px;
            font-weight: 700;
            color: #000;
            background: #fff;
        }
        /* 品牌专区导航 */
        
        .l-nav {
            height: 40px;
            text-align: center;
            line-height: 40px;
            font-size: 14px;
        }
        
        .l-nav a:hover {
            color: red;
        }
        
        .l-red {
            color: red;
            font-weight: 700;
        }
        /* 懒加载部分*/
        
        .lanjiazai_box {
            margin: 30px auto;
            width: 1200px;
        }
        
        #lanjiazai {
            width: 100%;
            height: 100%;
            display: flex;
            flex-wrap: wrap;
        }
        
        #lanjiazai .img1 {
            position: relative;
            flex: 0 0 280px;
            width: 280px;
            height: 455px;
            margin: 10px;
            box-sizing: border-box;
            border: 7px solid #E4E4E4;
        }
        
        #lanjiazai .img1 .img {
            width: 100%;
            height: 300px;
        }
        
        #lanjiazai .img1 .img2 {
            width: 130px;
            height: 57px;
            margin-top: 20px;
            margin-left: 65px;
        }
        
        #lanjiazai .l-gz {
            position: absolute;
            top: 338px;
            left: 95px;
            width: 80px;
            height: 30px;
            color: white;
            background-color: red;
            text-align: center;
            line-height: 30px;
            border-radius: 40px;
            display: none;
        }
        
        #lanjiazai .l-gz i {
            width: 14px;
            height: 14px;
        }
        
        #lanjiazai .img1 p {
            text-align: center;
            margin-top: 10px;
        }
        
        #lanjiazai .img1 .box1 {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 0px;
            background-color: black;
            opacity: 0.4;
            transition: .5s;
        }
        
        #lanjiazai .img1 .box2 {
            width: 100%;
            height: 0px;
            position: absolute;
            left: 0;
            bottom: 0;
            transition: .5s;
            box-sizing: border-box;
            padding-top: 100px;
        }
        
        #lanjiazai .img1 .box2 p {
            text-align: center;
            line-height: 50px;
            color: #fff;
        }
        
        #lanjiazai .img1:hover .box1 {
            height: 300px;
        }
        
        #lanjiazai .img1:hover .box2 {
            height: 455px;
        }
        
        #lanjiazai .img1:hover {
            border: 7px solid #AAAAAA;
        }
        /* #lanjiazai .img1:hover .l-gz {
            display: block;
        }
        
        #lanjiazai .img1:hover .img2 {
            display: none;
        } */
        /* 回到顶部 */
        
        .backTop {
            position: fixed;
            right: 235px;
            top: 781px;
            display: none;
        }